diff options
Diffstat (limited to 'lldb/tools/debugserver/source/MacOSX/Genealogy.cpp')
| -rw-r--r-- | lldb/tools/debugserver/source/MacOSX/Genealogy.cpp | 509 |
1 files changed, 264 insertions, 245 deletions
diff --git a/lldb/tools/debugserver/source/MacOSX/Genealogy.cpp b/lldb/tools/debugserver/source/MacOSX/Genealogy.cpp index a5ee097aa2a..22ff52abaa4 100644 --- a/lldb/tools/debugserver/source/MacOSX/Genealogy.cpp +++ b/lldb/tools/debugserver/source/MacOSX/Genealogy.cpp @@ -8,8 +8,8 @@ //===----------------------------------------------------------------------===// #include <Availability.h> -#include <string> #include <dlfcn.h> +#include <string> #include <uuid/uuid.h> #include "DNBDefs.h" @@ -21,280 +21,299 @@ /// Constructor //--------------------------- -Genealogy::Genealogy () : - m_os_activity_diagnostic_for_pid (nullptr), - m_os_activity_iterate_processes (nullptr), - m_os_activity_iterate_breadcrumbs (nullptr), - m_os_activity_iterate_messages (nullptr), - m_os_activity_iterate_activities (nullptr), - m_os_trace_get_type (nullptr), - m_os_trace_copy_formatted_message (nullptr), - m_os_activity_for_thread (nullptr), - m_os_activity_for_task_thread (nullptr), - m_thread_activities(), - m_process_executable_infos(), - m_diagnosticd_call_timed_out(false) -{ - m_os_activity_diagnostic_for_pid = (bool (*)(pid_t, os_activity_t, uint32_t, os_diagnostic_block_t))dlsym (RTLD_DEFAULT, "os_activity_diagnostic_for_pid"); - m_os_activity_iterate_processes = (void (*)(os_activity_process_list_t, bool (^)(os_activity_process_t)))dlsym (RTLD_DEFAULT, "os_activity_iterate_processes"); - m_os_activity_iterate_breadcrumbs = (void (*)(os_activity_process_t, bool (^)(os_activity_breadcrumb_t))) dlsym (RTLD_DEFAULT, "os_activity_iterate_breadcrumbs"); - m_os_activity_iterate_messages = (void (*)(os_trace_message_list_t, os_activity_process_t, bool (^)(os_trace_message_t)))dlsym (RTLD_DEFAULT, "os_activity_iterate_messages"); - m_os_activity_iterate_activities = (void (*)(os_activity_list_t, os_activity_process_t, bool (^)(os_activity_entry_t)))dlsym (RTLD_DEFAULT, "os_activity_iterate_activities"); - m_os_trace_get_type = (uint8_t (*)(os_trace_message_t)) dlsym (RTLD_DEFAULT, "os_trace_get_type"); - m_os_trace_copy_formatted_message = (char *(*)(os_trace_message_t)) dlsym (RTLD_DEFAULT, "os_trace_copy_formatted_message"); - m_os_activity_for_thread = (os_activity_t (*)(os_activity_process_t, uint64_t)) dlsym (RTLD_DEFAULT, "os_activity_for_thread"); - m_os_activity_for_task_thread = (os_activity_t (*)(task_t, uint64_t)) dlsym (RTLD_DEFAULT, "os_activity_for_task_thread"); - m_os_activity_messages_for_thread = (os_trace_message_list_t (*) (os_activity_process_t process, os_activity_t activity, uint64_t thread_id)) dlsym (RTLD_DEFAULT, "os_activity_messages_for_thread"); +Genealogy::Genealogy() + : m_os_activity_diagnostic_for_pid(nullptr), + m_os_activity_iterate_processes(nullptr), + m_os_activity_iterate_breadcrumbs(nullptr), + m_os_activity_iterate_messages(nullptr), + m_os_activity_iterate_activities(nullptr), m_os_trace_get_type(nullptr), + m_os_trace_copy_formatted_message(nullptr), + m_os_activity_for_thread(nullptr), m_os_activity_for_task_thread(nullptr), + m_thread_activities(), m_process_executable_infos(), + m_diagnosticd_call_timed_out(false) { + m_os_activity_diagnostic_for_pid = + (bool (*)(pid_t, os_activity_t, uint32_t, os_diagnostic_block_t))dlsym( + RTLD_DEFAULT, "os_activity_diagnostic_for_pid"); + m_os_activity_iterate_processes = + (void (*)(os_activity_process_list_t, bool (^)(os_activity_process_t))) + dlsym(RTLD_DEFAULT, "os_activity_iterate_processes"); + m_os_activity_iterate_breadcrumbs = + (void (*)(os_activity_process_t, bool (^)(os_activity_breadcrumb_t))) + dlsym(RTLD_DEFAULT, "os_activity_iterate_breadcrumbs"); + m_os_activity_iterate_messages = (void (*)( + os_trace_message_list_t, os_activity_process_t, + bool (^)(os_trace_message_t)))dlsym(RTLD_DEFAULT, + "os_activity_iterate_messages"); + m_os_activity_iterate_activities = (void (*)( + os_activity_list_t, os_activity_process_t, + bool (^)(os_activity_entry_t)))dlsym(RTLD_DEFAULT, + "os_activity_iterate_activities"); + m_os_trace_get_type = + (uint8_t(*)(os_trace_message_t))dlsym(RTLD_DEFAULT, "os_trace_get_type"); + m_os_trace_copy_formatted_message = (char *(*)(os_trace_message_t))dlsym( + RTLD_DEFAULT, "os_trace_copy_formatted_message"); + m_os_activity_for_thread = + (os_activity_t(*)(os_activity_process_t, uint64_t))dlsym( + RTLD_DEFAULT, "os_activity_for_thread"); + m_os_activity_for_task_thread = (os_activity_t(*)(task_t, uint64_t))dlsym( + RTLD_DEFAULT, "os_activity_for_task_thread"); + m_os_activity_messages_for_thread = (os_trace_message_list_t(*)( + os_activity_process_t process, os_activity_t activity, + uint64_t thread_id))dlsym(RTLD_DEFAULT, + "os_activity_messages_for_thread"); } Genealogy::ThreadActivitySP -Genealogy::GetGenealogyInfoForThread (pid_t pid, nub_thread_t tid, const MachThreadList &thread_list, task_t task, bool &timed_out) -{ - ThreadActivitySP activity; - // - // if we've timed out trying to get the activities, don't try again at this process stop. - // (else we'll need to hit the timeout for every thread we're asked about.) - // We'll try again at the next public stop. +Genealogy::GetGenealogyInfoForThread(pid_t pid, nub_thread_t tid, + const MachThreadList &thread_list, + task_t task, bool &timed_out) { + ThreadActivitySP activity; + // + // if we've timed out trying to get the activities, don't try again at this + // process stop. + // (else we'll need to hit the timeout for every thread we're asked about.) + // We'll try again at the next public stop. - if (m_thread_activities.size() == 0 && m_diagnosticd_call_timed_out == false) - { - GetActivities(pid, thread_list, task); - } - std::map<nub_thread_t, ThreadActivitySP>::const_iterator search; - search = m_thread_activities.find(tid); - if (search != m_thread_activities.end()) - { - activity = search->second; - } - timed_out = m_diagnosticd_call_timed_out; - return activity; + if (m_thread_activities.size() == 0 && + m_diagnosticd_call_timed_out == false) { + GetActivities(pid, thread_list, task); + } + std::map<nub_thread_t, ThreadActivitySP>::const_iterator search; + search = m_thread_activities.find(tid); + if (search != m_thread_activities.end()) { + activity = search->second; + } + timed_out = m_diagnosticd_call_timed_out; + return activity; } -void -Genealogy::Clear() -{ - m_thread_activities.clear(); - m_diagnosticd_call_timed_out = false; +void Genealogy::Clear() { + m_thread_activities.clear(); + m_diagnosticd_call_timed_out = false; } -void -Genealogy::GetActivities(pid_t pid, const MachThreadList &thread_list, task_t task) -{ - if (m_os_activity_diagnostic_for_pid != nullptr - && m_os_activity_iterate_processes != nullptr - && m_os_activity_iterate_breadcrumbs != nullptr - && m_os_activity_iterate_messages != nullptr - && m_os_activity_iterate_activities != nullptr - && m_os_trace_get_type != nullptr - && m_os_trace_copy_formatted_message != nullptr - && (m_os_activity_for_thread != nullptr || m_os_activity_for_task_thread != nullptr) - ) - { - __block dispatch_semaphore_t semaphore = dispatch_semaphore_create(0); - __block BreadcrumbList breadcrumbs; - __block ActivityList activities; - __block MessageList messages; - __block std::map<nub_thread_t, uint64_t> thread_activity_mapping; +void Genealogy::GetActivities(pid_t pid, const MachThreadList &thread_list, + task_t task) { + if (m_os_activity_diagnostic_for_pid != nullptr && + m_os_activity_iterate_processes != nullptr && + m_os_activity_iterate_breadcrumbs != nullptr && + m_os_activity_iterate_messages != nullptr && + m_os_activity_iterate_activities != nullptr && + m_os_trace_get_type != nullptr && + m_os_trace_copy_formatted_message != nullptr && + (m_os_activity_for_thread != nullptr || + m_os_activity_for_task_thread != nullptr)) { + __block dispatch_semaphore_t semaphore = dispatch_semaphore_create(0); + __block BreadcrumbList breadcrumbs; + __block ActivityList activities; + __block MessageList messages; + __block std::map<nub_thread_t, uint64_t> thread_activity_mapping; - os_activity_diagnostic_flag_t flags = OS_ACTIVITY_DIAGNOSTIC_ALL_ACTIVITIES | OS_ACTIVITY_DIAGNOSTIC_PROCESS_ONLY; - if (m_os_activity_diagnostic_for_pid (pid, 0, flags, ^(os_activity_process_list_t processes, int error) - { - if (error == 0) - { - m_os_activity_iterate_processes (processes, ^bool(os_activity_process_t process_info) - { - if (pid == process_info->pid) - { - // Collect all the Breadcrumbs - m_os_activity_iterate_breadcrumbs (process_info, ^bool(os_activity_breadcrumb_t breadcrumb) - { - Breadcrumb bc; - bc.breadcrumb_id = breadcrumb->breadcrumb_id; - bc.activity_id = breadcrumb->activity_id; - bc.timestamp = breadcrumb->timestamp; - if (breadcrumb->name) - bc.name = breadcrumb->name; - breadcrumbs.push_back (bc); - return true; + os_activity_diagnostic_flag_t flags = + OS_ACTIVITY_DIAGNOSTIC_ALL_ACTIVITIES | + OS_ACTIVITY_DIAGNOSTIC_PROCESS_ONLY; + if (m_os_activity_diagnostic_for_pid( + pid, 0, flags, ^(os_activity_process_list_t processes, int error) { + if (error == 0) { + m_os_activity_iterate_processes(processes, ^bool( + os_activity_process_t + process_info) { + if (pid == process_info->pid) { + // Collect all the Breadcrumbs + m_os_activity_iterate_breadcrumbs( + process_info, + ^bool(os_activity_breadcrumb_t breadcrumb) { + Breadcrumb bc; + bc.breadcrumb_id = breadcrumb->breadcrumb_id; + bc.activity_id = breadcrumb->activity_id; + bc.timestamp = breadcrumb->timestamp; + if (breadcrumb->name) + bc.name = breadcrumb->name; + breadcrumbs.push_back(bc); + return true; }); - // Collect all the Activites - m_os_activity_iterate_activities (process_info->activities, process_info, ^bool(os_activity_entry_t activity) - { - Activity ac; - ac.activity_start = activity->activity_start; - ac.activity_id = activity->activity_id; - ac.parent_id = activity->parent_id; - if (activity->activity_name) - ac.activity_name = activity->activity_name; - if (activity->reason) - ac.reason = activity->reason; - activities.push_back (ac); - return true; + // Collect all the Activites + m_os_activity_iterate_activities( + process_info->activities, process_info, + ^bool(os_activity_entry_t activity) { + Activity ac; + ac.activity_start = activity->activity_start; + ac.activity_id = activity->activity_id; + ac.parent_id = activity->parent_id; + if (activity->activity_name) + ac.activity_name = activity->activity_name; + if (activity->reason) + ac.reason = activity->reason; + activities.push_back(ac); + return true; }); - - // Collect all the Messages -- messages not associated with any thread - m_os_activity_iterate_messages (process_info->messages, process_info, ^bool(os_trace_message_t trace_msg) - { - Message msg; - msg.timestamp = trace_msg->timestamp; - msg.trace_id = trace_msg->trace_id; - msg.thread = trace_msg->thread; - msg.type = m_os_trace_get_type (trace_msg); - msg.activity_id = 0; - if (trace_msg->image_uuid && trace_msg->image_path) - { - ProcessExecutableInfoSP process_info_sp (new ProcessExecutableInfo()); - uuid_copy (process_info_sp->image_uuid, trace_msg->image_uuid); - process_info_sp->image_path = trace_msg->image_path; - msg.process_info_index = AddProcessExecutableInfo (process_info_sp); - } - const char *message_text = m_os_trace_copy_formatted_message (trace_msg); - if (message_text) - msg.message = message_text; - messages.push_back (msg); - return true; + // Collect all the Messages -- messages not associated with + // any thread + m_os_activity_iterate_messages( + process_info->messages, process_info, + ^bool(os_trace_message_t trace_msg) { + Message msg; + msg.timestamp = trace_msg->timestamp; + msg.trace_id = trace_msg->trace_id; + msg.thread = trace_msg->thread; + msg.type = m_os_trace_get_type(trace_msg); + msg.activity_id = 0; + if (trace_msg->image_uuid && trace_msg->image_path) { + ProcessExecutableInfoSP process_info_sp( + new ProcessExecutableInfo()); + uuid_copy(process_info_sp->image_uuid, + trace_msg->image_uuid); + process_info_sp->image_path = trace_msg->image_path; + msg.process_info_index = + AddProcessExecutableInfo(process_info_sp); + } + const char *message_text = + m_os_trace_copy_formatted_message(trace_msg); + if (message_text) + msg.message = message_text; + messages.push_back(msg); + return true; }); - // Discover which activities are said to be running on threads currently - const nub_size_t num_threads = thread_list.NumThreads(); - for (nub_size_t i = 0; i < num_threads; ++i) - { - nub_thread_t thread_id = thread_list.ThreadIDAtIndex(i); - os_activity_t act = 0; - if (m_os_activity_for_task_thread != nullptr) - { - act = m_os_activity_for_task_thread (task, thread_id); - } - else if (m_os_activity_for_thread != nullptr) - { - act = m_os_activity_for_thread (process_info, thread_id); - } - if (act != 0) - thread_activity_mapping[thread_id] = act; - } + // Discover which activities are said to be running on + // threads currently + const nub_size_t num_threads = thread_list.NumThreads(); + for (nub_size_t i = 0; i < num_threads; ++i) { + nub_thread_t thread_id = thread_list.ThreadIDAtIndex(i); + os_activity_t act = 0; + if (m_os_activity_for_task_thread != nullptr) { + act = m_os_activity_for_task_thread(task, thread_id); + } else if (m_os_activity_for_thread != nullptr) { + act = m_os_activity_for_thread(process_info, thread_id); + } + if (act != 0) + thread_activity_mapping[thread_id] = act; + } - // Collect all Messages -- messages associated with a thread + // Collect all Messages -- messages associated with a thread - // When there's no genealogy information, an early version of os_activity_messages_for_thread - // can crash in rare circumstances. Check to see if this process has any activities before - // making the call to get messages. - if (process_info->activities != nullptr && thread_activity_mapping.size() > 0) - { - std::map<nub_thread_t, uint64_t>::const_iterator iter; - for (iter = thread_activity_mapping.begin(); iter != thread_activity_mapping.end(); ++iter) - { - nub_thread_t thread_id = iter->first; - os_activity_t act = iter->second; - os_trace_message_list_t this_thread_messages = m_os_activity_messages_for_thread (process_info, act, thread_id); - m_os_activity_iterate_messages (this_thread_messages, process_info, ^bool(os_trace_message_t trace_msg) - { - Message msg; - msg.timestamp = trace_msg->timestamp; - msg.trace_id = trace_msg->trace_id; - msg.thread = trace_msg->thread; - msg.type = m_os_trace_get_type (trace_msg); - msg.activity_id = act; - if (trace_msg->image_uuid && trace_msg->image_path) - { - ProcessExecutableInfoSP process_info_sp (new ProcessExecutableInfo()); - uuid_copy (process_info_sp->image_uuid, trace_msg->image_uuid); - process_info_sp->image_path = trace_msg->image_path; - msg.process_info_index = AddProcessExecutableInfo (process_info_sp); - } - const char *message_text = m_os_trace_copy_formatted_message (trace_msg); - if (message_text) - msg.message = message_text; - messages.push_back (msg); - return true; - }); - } - } + // When there's no genealogy information, an early version + // of os_activity_messages_for_thread + // can crash in rare circumstances. Check to see if this + // process has any activities before + // making the call to get messages. + if (process_info->activities != nullptr && + thread_activity_mapping.size() > 0) { + std::map<nub_thread_t, uint64_t>::const_iterator iter; + for (iter = thread_activity_mapping.begin(); + iter != thread_activity_mapping.end(); ++iter) { + nub_thread_t thread_id = iter->first; + os_activity_t act = iter->second; + os_trace_message_list_t this_thread_messages = + m_os_activity_messages_for_thread(process_info, act, + thread_id); + m_os_activity_iterate_messages( + this_thread_messages, process_info, + ^bool(os_trace_message_t trace_msg) { + Message msg; + msg.timestamp = trace_msg->timestamp; + msg.trace_id = trace_msg->trace_id; + msg.thread = trace_msg->thread; + msg.type = m_os_trace_get_type(trace_msg); + msg.activity_id = act; + if (trace_msg->image_uuid && + trace_msg->image_path) { + ProcessExecutableInfoSP process_info_sp( + new ProcessExecutableInfo()); + uuid_copy(process_info_sp->image_uuid, + trace_msg->image_uuid); + process_info_sp->image_path = + trace_msg->image_path; + msg.process_info_index = + AddProcessExecutableInfo(process_info_sp); + } + const char *message_text = + m_os_trace_copy_formatted_message(trace_msg); + if (message_text) + msg.message = message_text; + messages.push_back(msg); + return true; + }); + } } - return true; + } + return true; }); - } - dispatch_semaphore_signal(semaphore); - }) == true) - { - // Wait for the diagnosticd xpc calls to all finish up -- or half a second to elapse. - dispatch_time_t timeout = dispatch_time(DISPATCH_TIME_NOW, NSEC_PER_SEC / 2); - bool success = dispatch_semaphore_wait(semaphore, timeout) == 0; - if (!success) - { - m_diagnosticd_call_timed_out = true; - return; - } - } + } + dispatch_semaphore_signal(semaphore); + }) == true) { + // Wait for the diagnosticd xpc calls to all finish up -- or half a second + // to elapse. + dispatch_time_t timeout = + dispatch_time(DISPATCH_TIME_NOW, NSEC_PER_SEC / 2); + bool success = dispatch_semaphore_wait(semaphore, timeout) == 0; + if (!success) { + m_diagnosticd_call_timed_out = true; + return; + } + } - // breadcrumbs, activities, and messages have all now been filled in. + // breadcrumbs, activities, and messages have all now been filled in. - std::map<nub_thread_t, uint64_t>::const_iterator iter; - for (iter = thread_activity_mapping.begin(); iter != thread_activity_mapping.end(); ++iter) - { - nub_thread_t thread_id = iter->first; - uint64_t activity_id = iter->second; - ActivityList::const_iterator activity_search; - for (activity_search = activities.begin(); activity_search != activities.end(); ++activity_search) - { - if (activity_search->activity_id == activity_id) - { - ThreadActivitySP thread_activity_sp (new ThreadActivity()); - thread_activity_sp->current_activity = *activity_search; - - BreadcrumbList::const_iterator breadcrumb_search; - for (breadcrumb_search = breadcrumbs.begin(); breadcrumb_search != breadcrumbs.end(); ++breadcrumb_search) - { - if (breadcrumb_search->activity_id == activity_id) - { - thread_activity_sp->breadcrumbs.push_back (*breadcrumb_search); - } - } - MessageList::const_iterator message_search; - for (message_search = messages.begin(); message_search != messages.end(); ++message_search) - { - if (message_search->thread == thread_id) - { - thread_activity_sp->messages.push_back (*message_search); - } - } - - m_thread_activities[thread_id] = thread_activity_sp; - break; - } + std::map<nub_thread_t, uint64_t>::const_iterator iter; + for (iter = thread_activity_mapping.begin(); + iter != thread_activity_mapping.end(); ++iter) { + nub_thread_t thread_id = iter->first; + uint64_t activity_id = iter->second; + ActivityList::const_iterator activity_search; + for (activity_search = activities.begin(); + activity_search != activities.end(); ++activity_search) { + if (activity_search->activity_id == activity_id) { + ThreadActivitySP thread_activity_sp(new ThreadActivity()); + thread_activity_sp->current_activity = *activity_search; + + BreadcrumbList::const_iterator breadcrumb_search; + for (breadcrumb_search = breadcrumbs.begin(); + breadcrumb_search != breadcrumbs.end(); ++breadcrumb_search) { + if (breadcrumb_search->activity_id == activity_id) { + thread_activity_sp->breadcrumbs.push_back(*breadcrumb_search); } + } + MessageList::const_iterator message_search; + for (message_search = messages.begin(); + message_search != messages.end(); ++message_search) { + if (message_search->thread == thread_id) { + thread_activity_sp->messages.push_back(*message_search); + } + } + + m_thread_activities[thread_id] = thread_activity_sp; + break; } + } } + } } uint32_t -Genealogy::AddProcessExecutableInfo (ProcessExecutableInfoSP process_exe_info) -{ - const uint32_t info_size = static_cast<uint32_t>(m_process_executable_infos.size()); - for (uint32_t idx = 0; idx < info_size; ++idx) - { - if (uuid_compare (m_process_executable_infos[idx]->image_uuid, process_exe_info->image_uuid) == 0) - { - return idx + 1; - } +Genealogy::AddProcessExecutableInfo(ProcessExecutableInfoSP process_exe_info) { + const uint32_t info_size = + static_cast<uint32_t>(m_process_executable_infos.size()); + for (uint32_t idx = 0; idx < info_size; ++idx) { + if (uuid_compare(m_process_executable_infos[idx]->image_uuid, + process_exe_info->image_uuid) == 0) { + return idx + 1; } - m_process_executable_infos.push_back (process_exe_info); - return info_size + 1; + } + m_process_executable_infos.push_back(process_exe_info); + return info_size + 1; } Genealogy::ProcessExecutableInfoSP -Genealogy::GetProcessExecutableInfosAtIndex(size_t idx) -{ - ProcessExecutableInfoSP info_sp; - if (idx > 0) - { - idx--; - if (idx <= m_process_executable_infos.size()) - { - info_sp = m_process_executable_infos[idx]; - } +Genealogy::GetProcessExecutableInfosAtIndex(size_t idx) { + ProcessExecutableInfoSP info_sp; + if (idx > 0) { + idx--; + if (idx <= m_process_executable_infos.size()) { + info_sp = m_process_executable_infos[idx]; } - return info_sp; + } + return info_sp; } - |
